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Blackfin: setup a sane default EBIU_SDBCTL for SDRAM controllers

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If the board config does not specify an explicit EBIU_SDBCTL value, set it
up with sane values based on other configuration options.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2008-06-01 01:28:24 -04:00
parent 3986e981f5
commit 0d4f24b70f
1 changed files with 33 additions and 0 deletions
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33
cpu/blackfin/initcode.c
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@ -203,6 +203,39 @@ static inline void serial_putc(char c)
# define CONFIG_VR_CTL_VAL (CONFIG_VR_CTL_CLKBUF | CONFIG_VR_CTL_VLEV | CONFIG_VR_CTL_FREQ)
#endif
#ifndef EBIU_RSTCTL
/* Blackfin with SDRAM */
#ifndef CONFIG_EBIU_SDBCTL_VAL
# if CONFIG_MEM_SIZE == 16
# define CONFIG_EBSZ_VAL EBSZ_16
# elif CONFIG_MEM_SIZE == 32
# define CONFIG_EBSZ_VAL EBSZ_32
# elif CONFIG_MEM_SIZE == 64
# define CONFIG_EBSZ_VAL EBSZ_64
# elif CONFIG_MEM_SIZE == 128
# define CONFIG_EBSZ_VAL EBSZ_128
# elif CONFIG_MEM_SIZE == 256
# define CONFIG_EBSZ_VAL EBSZ_256
# elif CONFIG_MEM_SIZE == 512
# define CONFIG_EBSZ_VAL EBSZ_512
# else
# error You need to define CONFIG_EBIU_SDBCTL_VAL or CONFIG_MEM_SIZE
# endif
# if CONFIG_MEM_ADD_WDTH == 8
# define CONFIG_EBCAW_VAL EBCAW_8
# elif CONFIG_MEM_ADD_WDTH == 9
# define CONFIG_EBCAW_VAL EBCAW_9
# elif CONFIG_MEM_ADD_WDTH == 10
# define CONFIG_EBCAW_VAL EBCAW_10
# elif CONFIG_MEM_ADD_WDTH == 11
# define CONFIG_EBCAW_VAL EBCAW_11
# else
# error You need to define CONFIG_EBIU_SDBCTL_VAL or CONFIG_MEM_ADD_WDTH
# endif
# define CONFIG_EBIU_SDBCTL_VAL (CONFIG_EBCAW_VAL | CONFIG_EBSZ_VAL | EBE)
#endif
#endif
BOOTROM_CALLED_FUNC_ATTR
void initcode(ADI_BOOT_DATA *bootstruct)
{